JPH0974840A - Sulky type rice transplanter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable both the sure recognition of a backing state and the precise recognition of important items such as reduction in fuel even in any case in a sulky type rice transplanter having a means for making an operator recognize operating conditions. SOLUTION: This sulky type rice transplanter is obtained by installing an operating condition informing means for making an operator recognize the conditions of plural device part with an informing sound, a display means for the operating conditions capable of making the operator recognize the conditions of the plural device parts by lamp display on a panel P near a driver's seat and a backing alarm means for producing an alarm sound in backing of a mobile machine body. When the backing alarm means is operated, the operations of the operating condition informing means are stopped and the display operations of the display means for the operating conditions are limited.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a riding type rice transplanter characterized by means for making a driver recognize a work situation.

[0002]

2. Description of the Related Art For example, in a riding-type rice transplanter equipped with a fertilizer application device, a seedling planting device has a reduced remaining amount of seedlings, a reduced amount of fertilizer remaining, a clogging in a fertilizer supply route, and a planting device for driving the seedling planting device. While the clutch is disengaged, the left and right line drawing markers that form the travel reference line for the next stroke in and out of the field, the travel speed change status, the remaining fuel amount, etc. are displayed on the panel near the driver's seat with lamps, gauges, etc. In addition, when the remaining amount of seedlings is displayed, a buzzer and other information are displayed at the same time as the panel display so that the driver can be properly aware of the status of multiple working units and can take appropriate actions and operations. .

[0003]

In recent years, even in such a riding type rice transplanter, an alarm device such as a buzzer is sounded when moving backward,
It is trying to introduce an alarm means to make the driver and surrounding workers recognize, but in this case, if the occurrence of the backward warning sound and the notification and display of the work situation as described above are performed at the same time, many It is presumed that the situation will be notified or displayed all at once and the recognition of the reverse warning will become uncertain. The present invention has been made on the basis of such recognition, and it is possible to surely recognize the reverse traveling state and to accurately recognize important matters such as fuel reduction in any case. The purpose is to do so.

[0004]

[Means for Solving the Problems]

[Structure] The characterizing structure of the invention according to claim 1 is to provide a work status informing means for causing an operator to recognize the status of a plurality of device parts by a notification sound, and display the status of the plurality of device parts on a panel near the driver's seat. Work status display means to be recognized by the worker by the, and a reverse warning means for emitting a warning sound when the traveling machine is moving backward, and when the reverse warning means is activated,
A point is provided with a display restricting unit that stops the operation of the work status notifying unit and restricts the display operation of the work status displaying unit.

According to a second aspect of the present invention, in the invention according to the first aspect, when the display operation is restricted by the display restricting means, the fuel remaining amount and the traveling are included in the display on the panel by the work status displaying means. The operation of the display restricting means is set so that only the display of the shift position is executed and other displays are prohibited.

[Operation] According to this configuration, when the aircraft is set in the reverse drive state, the reverse drive alarm is issued, the reverse drive state and the panel display only showing the remaining fuel amount are left, and the other panel displays for notifying the working condition are turned off. . Here, even if a work status display command for another work device section is issued, no work is performed during the reverse movement, so there is no particular support even if the display is not actually issued, and the reverse movement is canceled. Then, the normal display operation is performed, and the state of the device section can be grasped.

[Effect] Therefore, in the reverse drive state, the reverse drive alarm can be accurately recognized without being confused by the unnecessary display.
It is possible to perform a safe reverse drive, and during that time, only the important items such as the display of the remaining fuel amount and the traveling shift position (reverse drive) can be easily grasped by the display on the panel.
It is possible to avoid problems such as work being interrupted due to running out of fuel.

[0008]

An embodiment of the present invention will be described below with reference to the drawings. FIG. 2 shows a riding-type rice transplanter equipped with a fertilizer application device for 6-row planting. This rice transplanter
A 6-row seedling planting device 4 is connected to the rear part of the riding traveling machine body 1 via a lifting / lowering link mechanism 3 driven by a hydraulic cylinder 2, and a fertilizer application device 5 is provided at the rear part of the seedling planting device 3. It is configured.

As shown in FIGS. 3 and 4, the seedling planting device 4 mounts a mat-shaped seedling A on which a seedling stand 6 is fed back and forth with a constant stroke and the placed seedling A. Longitudinal feed belt 7 that feeds downward at each lateral feed stroke end of seedling placing stand 6, 6 sets of rotary type planting mechanism 8 for cutting and planting one seedling from the lower end of this seedling placing stand 6, planting field A center float 9 for leveling the surface, a pair of left and right side floats 10, and the like are provided, and the hydraulic cylinder 2 is actuated and controlled by mechanically or electrically detecting that the center float 9 is vertically displaced due to ground pressure fluctuations. Thus, the seedling planting device 4 is configured to be maintained at the set height with respect to the field scene. In addition, this seedling planting device 4
In addition to the automatic lifting control as described above, the driver's seat 11
In addition to switching the planting lever 12 provided on the right side of the lower position, the neutral position, and the upper position, the raising and lowering operation can be performed.
Neutral return type lift lever 1 provided on the left front of the driver's seat 11.
The seedling planting device 4 can be raised to the upper limit by an upward operation of 3, and can be lowered to an automatic elevation control height by a downward operation of the elevating lever 13.

Further, the seedling planting device 4 is equipped with a pair of left and right line-drawing markers 14 for scratching and forming a running reference line for the next step in a field scene during planting and running, in a projecting and biased state. This line drawing marker 14 is stored and automatically locked in conjunction with the raising operation of the seedling planting device 4,
It is configured so that the storage lock of either the left or right line drawing marker 14 can be released by a selection operation of the marker selection lever 15 provided on the front right of the driver's seat 11.

The fertilizer applicator 5 feeds out the granular fertilizer stored in the hopper 16 by a set amount in accordance with the drive rotation of the feeding mechanism 17, and guides the fed fertilizer downward through a hose 18 to form the floats 9 and 10. Groover 1 equipped on
9 is configured to be embedded in a fertilization groove formed in the field by the grooving device 19, and the feeding mechanism 17 is interlockingly connected to the rotary type planting mechanism 8 via the crank mechanism 20.

A seedling sensor S1 is provided at the lower end of the seedling stand 6 to detect the passage of the seedling A at the end position to detect that the remaining amount is below a set amount. Is equipped with a fertilizer residual amount sensor S2 for detecting that the fertilizer is running low, and each fertilizer maker 19 detects the occurrence of fertilizer clogging as a change in the energization resistance between a pair of electrodes. Equipped with sensor S3.

FIG. 5 schematically shows a transmission system diagram of this rice transplanter. The output from the engine 21 mounted on the front of the fuselage is the belt type continuously variable transmission 22 and the main clutch 2.
It is transmitted to the mission case 24 via 3 and branched into a traveling system and a planting system. The power of the traveling system is gear-shifted by the main gear speed change mechanism 25 to two forward gears and one reverse gear, and then the front wheels 2
6 and the rear wheel 27. The power of the planting system is output from the mission case 24 via the inter-plant speed change mechanism 28, the torque limiter 29, and the planting clutch 30, and this output is transmitted to the seedling planting device 4 via the transmission shaft 31. ing. In addition, the power transmitted to the seedling planting device 4 is transmitted to the seedling stand horizontal feed mechanism 32 and the vertical feed belt drive mechanism 33 provided in the planting mission case 24, and the power is transmitted to the seedling planting device 4 via the ridge clutch 34. It is adapted to be transmitted to the row-by-row planting mechanism 8, and it is possible to perform 4-row planting and 2-row planting by this disengagement operation of the edge clutch 34.

The continuously variable transmission 22 is an electric actuator 3.
5, the speed is changed by linking a potentiometer 37 that detects the operating position of the speed setting lever 36 of the driving unit and a potentiometer 38 that detects the operating position of the electric actuator 35 with a feedback control system. It is configured so that a shift state corresponding to the operation position of the setting lever 36 can be obtained. The main gear speed change mechanism 25 is mechanically linked to the main speed change lever 39, and is the first forward speed (F1) which is the planting traveling speed, the second forward speed (F2) which is the traveling traveling speed, and the reverse (R). ) Is configured to be selectable. The gear shift states (F1), (F2), (R) and the neutral operation state (N) of the main shift lever 39 are detected by a switch or the like.

The planting clutch 30 can be turned on and off by an electric actuator 40, and when the planting lever 12 is operated to a working lower position, the seedling planting device 4 is raised by operating the elevating lever 13 upward. Then, the planting clutch 30 is operated to "disengage", and the planting clutch 30 is operated to "engage" by the second downward operation of the elevating lever 13. Further, the planting clutch 30 can be "engaged" by unlocking the storage lock of either the left or right line drawing marker 14 by the marker selection lever 15.

Further, a ridge clutch lever 41 for turning on and off each ridge clutch 34 is provided on the back side of the seedling placing table 6 so that it can be operated from the body side, and the clutch disengagement operation state is detected by a switch or the like. It has become so.

Next, the alarm system in this rice transplanter will be described. FIG. 1 shows a main part of a panel P provided in front of the driver's seat 11. In the figure, reference numeral 42 is a fuel gauge, which is provided with an out-of-fuel alarm lamp L1 which is turned on when the remaining amount of fuel is low. L2 to L5 are main shift position display lamps, and any one of the lamps L2 to L5 is turned on by detecting the operation position of the main shift lever 39. L6 is a planting clutch disengagement indicator lamp that lights up when the planting clutch 30 is in the "disengaged" state, L7 is a ridge clutch disengagement indicator lamp that lights up when any of the ridge clutch levers 41 is in the "disengaged" state, and L8 is a seedling. Nose stand 6
The seedling out indicator lamp that flashes when the remaining amount of seedlings falls below the set amount in any of the above items, L9 is the hopper 16 of the fertilizer application device 5.
The fertilizer run-out indicator lamp that blinks when the remaining amount of fertilizer in the set amount is less than the set amount, and L10, L11, and L12 are the fertilizer or indicator lamps that blink when clogging of the grooving device 19 is detected. The generated articles are displayed in units of two articles. L
Reference numeral 13 is a marker storage indicator lamp that lights up when both the drawing markers 14 are in a retracted state, and L14 and L15 are marker operation indicator lamps that light up when the left or right drawing marker 14 is in the projecting working posture. Display means is configured.

Further, when the seedling run-out display lamp L8, the fertilizer run-out display lamp L9, and the fertilizer, that is, the display lamp L10 are blinking, the alarm device 43 intermittently beeps to generate an alarm sound at a predetermined cycle. Has been done. In addition,
When these lamps flash and operate, the alarm device 43 continues to operate until the seedlings and fertilizer are replenished or until the fertilizer is clogged. Therefore, if the alarm sound during this period is annoying, the alarm stop switch 44 It is also possible to stop the operation of the alarm device 43 by operating.

When the main shift lever 39 is switched to the reverse position (R), the "reverse" lamp L5 of the shift position display lamp group is turned on and the alarm device 43 causes the seedling out alarm. The fertilizer run-out alarm, the fertilizer, that is, the buzzer operates in a cycle different from the buzzing cycle in the alarm, and the display and the alarm are limited so that only the light-up alarm lamp L1 of the fuel gauge 42 is allowed to light up. Has become. Further, in this reverse gear shift state, the alarm stop by the alarm stop switch 44 is not effective.

That is, in the reverse speed change state, only the reverse warning sound is generated, and the "reverse" display and the fuel exhaustion display are performed. Even if other display and alarm conditions are satisfied, these displays and alarms are limited, and the reverse speed change is performed. It is configured to surely recognize the state.

Other Embodiments The present invention can also be implemented in the following modes. An LED display or a liquid crystal display is used instead of the lamp display. An electromagnetic buzzer or an electronic buzzer can be used as the alarm. When the electronic buzzer is used, different tones are used for work alarms such as seedling out alarm, fertilizer out alarm, fertilizer clogging alarm, and reverse alarm. An alarm device for issuing work alarms such as seedling out alarm, fertilizer out alarm, and fertilizer clogging alarm, and an alarm device for backward travel alarm are separately provided.

It should be noted that reference numerals are given in the claims for convenience of comparison with the drawings, but the present invention is not limited to the configurations of the accompanying drawings by the entry.

[Brief description of drawings]

FIG. 1 is a schematic plan view showing a main part of a panel.

[Fig.2] Overall side view of rice transplanter with fertilizer application

[Figure 3] Side view of the seedling planting device

FIG. 4 is a schematic plan view of a seedling planting device.

[Fig. 5] Transmission system diagram

[Explanation of symbols]

 1 Traveling aircraft P panel

Claims (2)

[Claims] 1. A work status informing means for causing a worker to recognize the status of a plurality of device parts by a notification sound, and a work for causing a worker to recognize the status of the plurality of device parts by displaying on a panel P near the driver's seat 11. The status display means and the backward travel warning means that emits an alarm sound when the vehicle 1 travels backward are provided. When the reverse travel warning means is activated, the operation status notification means is stopped and the work status display means is operated. A riding type rice transplanter characterized by being provided with a display restricting means for restricting the above. 2. When the display operation is restricted by the display restricting means, only the remaining fuel amount and the traveling gear shift position are displayed among the displays on the panel by the work status displaying means, and other displays are prohibited. The riding type rice transplanter according to claim 1, wherein the operation of the display restricting means is set.